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k-77 <br />TABLE 9 <br />CDOH Surface Water Agricultural IIae Standards <br />Arsenic, ug/1 " - 100.0 <br />Boron, ug/1 ° 750.0 <br />Cadmium, ug/1 " .10.0 <br />Chromium, ug/1 " ~ 100.0 <br />Copper, ug/1 ' a00.0 <br />Lead, ug/1 ` 100.0 <br />Manganese, mg/1 " O.a <br />Nickel, ug/1 " a00.0 <br />Nitrate, Nitrogen, mg/1 ` 100.0 <br />Nitrite, Nitrogen, mgll` ~ 10.0 <br />selenium, ug/1 ' ~a0.0 <br />zinc, mg/1 • a.o <br />A CDOH surface water agricultural standard. Same as the CDOH <br />groundwater irrigation standard. <br />B CDOH surface mater standard is set to protect sensitive pleat ~. <br />species. Standard For plant apacies grown in Routt County is 5000 ~~- <br />ug/1. <br />C CDOH surface water agricultural standard. Same as the CDOH <br />groundwater livestock standard. <br />• <br />LJ <br />r~ <br />~J <br />